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이 페이지는 HP ProBook 640 G3 노트북에 대한 포괄적인 자료로, 필수 제품 정보와 상세한 수리 지원을 제공합니다. 사용자는 과열 및 속도 저하, 지연 성능과 같은 일반적인 문제에 대한 문제해결 가이드를 찾을 수 있으며, 배터리, 스크린, 메모리 등의 부품에 대한 수리 안내서를 확인할 수 있습니다. 이 페이지에는 디스플레이, 프로세서, 메모리, 저장 장치, 인터페이스에 대한 세부 정보를 포함한 제품 사양이 포함되어 있습니다. 마지막으로, 배경 및 식별 섹션은 핵심 제품 맥락을 제공하고 사용자가 자신의 기기 모델을 확인할 수 있도록 돕습니다.

Why my pc wont start

When i power on my pc lights on, a black screen with continously beep sounds.How am i suppossed to fix it??

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Beep sounds usually come in a repeating sequence, try counting them; there's usually a slightly longer gap between groups. At some point you'll find they're repeating, and that's when you have the "beep code" that can be looked up for troubleshooting. As an example, you might find they're repeating in a pattern like 5-3-4-1 or something similar.

dvd piyar not open

@assadnadeem Assad, please start your own question and be sure to categorize it as best you can and include the manufacturer and model number of your player.

Also, you need to elaborate on what the issue is. When you say "open", do you mean the door to load the disc won't open, or do you mean it won't turn on? The better description you give of the problem, such as when it started and what you've tried so far, the more help we'll be able to offer. What you've said so far is unanswerable; there's just not enough information for us to assist you.

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@sir_dm a continuous beep is common with BIOS issues. Start off with the easy things. Disconnect the power from the computer by unplugging the power cord from your computer. Disconnect all external devices from the computer. Now hold the power button depressed for about 30sec-1min. Reapply the AC power adapter and see if your computer does show any sign of life. You could also try to disconnect the battery.

Most common issue are drive and it is also possible that this is a bad RAM module or a bad LCD. So remove the RAM, clean the contacts with a pencil eraser. Do it gentle so as to not destroy the module. Replace it and restart. If you have more than one module, remove it and just leave one connected.

As you turn your computer back on tap the F10 key. This should load the BIOS setup utility.

Press F9 to load defaults.

Press F10 to save and exit.

Let us know what you find out.

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